Files from last_common_ancestor updated to release-3_2_18 on branch naadsm3.
Core model code updated from last_common_ancestor to release-3_2_18 on branch naadsm3.
Old files deleted, to bring the naadsm3 branch of the git repository up to release-3_2_18.
naadsm3 branch brought up to release-3_2_19.
Branch naadsm3 now corresponds to release-3_3_2.